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El Acer Nitro 5 AN515-53-55G9 es un portátil dirigido a jugadores de bajo presupuesto. Cuenta con 256 GB de almacenamiento, Nvidia GeForce Graphics y un procesador Intel i5 de cuatro núcleos a un precio más asequible que la mayoría de las laptops para juegos.

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((PLEASE HELP)) No bootable device on acer nitro 7 AN715-51

I've got the no bootable device error occurring on my nitro 7 and I've tried opening bios and was going to change the UEFI settings to legacy however legacy doesn't exist as an option. I tried pressing f9 and load default configuration thing that also doesn't work I also tried disabling and enabling secure boot that also doesn't work. The system time also seems to be correct so thats probably not the issue . I'm really in need of using my laptop by tomorrow so any suggestions to fixing this problem i will be grateful for. Thank you

Update (10/05/2021)

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Can you see your hard drive in the UEFI (BIOS)? did anything with he laptop change before this happened?

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No nothing changed with the laptop as I just happen to find this error when trying to turn/boot my laptop on. It was working fine earlier today. Also do u mean If I am able to see the hard drive in the bios setting? I dont think so. I dont see it any where.

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Yes you would usually be able to see it in the there under hard drives/ boot devices. Can you upload a picture of your bios

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Not sure where this might be ,here's a few screenshots of the settings.

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Where are the screenshots? Sorry I can't see them

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2 Respuestas

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By looking at your BIOS photos I can see your hard drives are visible. Do you know which one is the boot drive and have you tried both? If that does not help try:

  • Performing a Start-up Repair:

The first thing you can try is booting into the recovery environment, if possible, and then performing a start-up repair. To access the recovery environment, turn your computer on and off three times.  While booting, make sure you turn off the computer when you see the Windows logo. After the third time, Windows 10 will boot into diagnostics mode. Click Advanced options when the recovery screen appears.

Click Troubleshoot.

Click Advanced options.

Then, click Start-up Repair.

  • Fix Windows 10 Winload.exe Using the Command Prompt:

If you are unable to perform a start-up repair, then your next option is to try using your Windows 10 installation media to fix the boot error. If you don’t have installation media, you will need to go a working computer and Create a Windows 10 USB Bootable Flash Drive. You can also go to a working Windows 10 PC and create a recovery drive.  When using a USB drive, make sure to set up your BIOS to boot from the USB drive.

After booting into setup, choose the Repair Computer option > Troubleshoot > Advanced Options > Command Prompt. If you are using a recovery drive, click Troubleshoot > Advanced Options > Command Prompt.

Once you have the command prompt up on screen, you will need to issue a set of commands to find and resolve issues that might be preventing your computer from booting.

Type BOOTREC /FIXMBR and hit <Enter>.

This command will attempt to fix any corruption issues with the master boot record. If all goes well, you should see The operation completed successfully.

Next, type BOOTREC /FIXBOOT then hit <Enter>.

This command will attempt to write a new boot sector on the hard disk if Windows detects damage. Usually, this happens in cases where an older version of Windows was installed, or a non-compatible operating system such as Linux was installed.

If you are seeing an error such as Boot Manager is Missing, then the BOOTREC /RebuildBcd command might be able to fix it. This operation can also restore boot entries for older versions of Windows if you have a dual boot configuration. If BOOTREC /RebuildBcd does not work, then Microsoft recommends you back up your BCD (Boot Configuration Data) store, then run the BOOTREC /RebuildBcd command again. Here is how you do it.

Type each command then hit <Enter>:

  • bcdedit /export C:\BCD_Backup
  • c:
  • cd boot
  • attrib bcd -s -h -r
  • ren c:\boot\bcd bcd.old
  • bootrec /RebuildBcd

 Another option if you are dual booting with older versions of Windows such as Windows 7 is the BOOTREC /ScanOS command.

The ScanOS command can find and restore entries for older versions of Windows.

 What if None of These Options Work?

Your next best option is to try salvaging your data and then reinstalling Windows 10 and your applications. If you have your Windows 10 install media, you can boot from it, then perform a Custom Install. This will create an archive of the old installation called Windows.old. You can then recover your personal files from this folder. Make sure you perform a custom install that migrates your Windows.old data. Otherwise, all your data will be erased.

If you don’t want to risk overwriting your data by reinstalling Windows, check out this article on How to Recover Data from a Hard Drive that Won’t Boot.

Let us know how it goes or any questions you may have.

You have two hard drives HDD0 and HDD2:

HDD0 - SK Hynix 256GB m.2 SSD (Solid State Drive)

HDD2 - Toshiba MQ04ABF100 1TB hard drive

If you look at the “Information” screen in your BIOS, or your third photo, you will see them listed.

I would think that HDD0 (SK Hynix 256GB m.2 SSD) is you boot drive as it would be the fastest and smallest one. Try that.

*Just noticed your BIOS is version 1.02 - the newest is v1.22 so VERY out of date and many performance things will have been fixed in 20 (!!!) revisions.

Note that v1.22 mentions:

"Fix 2nd hdd information not shown in bios menu."

So there is your solution.

Do you know how to update BIOS? Good to reset after flashing.

This video shows how to get to the CMOS battery (at around 1:55). For others always remember to unplug charger before opening case.

Disconnect this to return settings to factory default. Small disc with black and red wires. Gently slide off the connector and discharge with power button. Reassemble and power up to BIOS and fix settings. I bet drives show up in Boot screen now.


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@aactech nope, how would I go about doing this.

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@nilll Which part are you asking about so I could tell you how to go about doing it?

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@aactech updating the bios information. I’ve tried downloading the file from

"Fix 2nd hdd information not shown in bios menu."

On to a USB stick on a working laptop and unzipped the file. What do I do from here? I connected the USB stick to my Acer nitro 7 and tried accessing it from the bios settings but nothing seems to work, am I missing a step?

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@nilll It should explain it on the ACER web site.

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@nilll two things come to mind. Either your System can no longer access your hard drive or the OS can no longer be identified due to a corrupt file system or corrupt HDD. Create a bootable USB drive with something like a LINUX LIVE software and boot your computer from that. See if you can access your computers hard drive from that. If so, you know that reinstalling the OS should in theory work. You cannot do that from the recovery partition of your HDD if it is not accessible but will need another way to obtain the OS.

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